var regex = new RegExp(" pseudohover\\b");
navHover = function(){
	var lis = document.getElementById('menu').getElementsByTagName('li');
	for(var i = 0; i < lis.length; i++){
		lis[i].onmouseover = function(){
			this.className += ' pseudohover';
		}
		lis[i].onmouseout = function(){
			this.className = this.className.replace(regex, '');
		}
	}
}
if(window.attachEvent) window.attachEvent('onload', navHover);